Keyword: Product development

Articles: Electronics & Computers

Beamforming is critical to enable initiatives by the U.S. Federal Communications Commission (FCC) to increase spectrum capacity and provide additional cellular service and coverage through...

Articles: Electronics & Computers

By now, most test engineers have recognized that both HALT (Highly Accelerated Life Testing) and HASS (Highly Accelerated Stress Screening) are the fastest and most effective...

Articles: Photonics/Optics

Optical scanners, or servo-controlled, limited-rotation motors with laser-beam steering mirrors, were first introduced 40 years ago by General Scanning. Since then, they have...

Application Briefs: Photonics/Optics

The inherently interdisciplinary nature of developing instrumentation for life sciences requires a high level of collaboration between scientists and engineers across the...

Articles: Robotics, Automation & Control

The task of choosing the correct mix of motion control components for a successful servo positioning system involves a combination of art, science, and experience. It also includes a little luck, but luck...

Briefs: Software

Flight Operations Analysis Tool (FLOAT) is a computer program that partly automates the process of assessing the benefits of planning spacecraft missions to incorporate various combinations of launch vehicles...

Briefs: Software

The State Analysis Database Tool software establishes a productive environment for collaboration among software and system engineers engaged in the development of complex interacting systems. The tool embodies...

Briefs: Information Technology
Adaptive Modeling Language and Its Derivatives

Adaptive Modeling Language (AML), developed by TechnoSoft, Inc., is the underlying language of an object-oriented, multidisciplinary, knowledge-based engineering framework. TechnoSoft is a leading provider of object-oriented modeling and simulation technology used for commercial and defense...

Briefs: Software
Simulating Humans as Integral Parts of Spacecraft Missions

The Collaborative-Virtual Environment Simulation Tool (C-VEST) software was developed for use in a NASA project entitled "3-D Interactive Digital Virtual Human." The project is oriented toward the use of a comprehensive suite of advanced software tools in computational simulations for...

Briefs: Software
Program Facilitates CMMI Appraisals

A computer program has been written to facilitate appraisals according to the methodology of Capability Maturity Model Integration (CMMI). [CMMI is a government/ industry standard, maintained by the Software Engineering Institute at Carnegie Mellon University, for objectively assessing the engineering...

Articles: Medical

As advances in cellular biology, gene mapping, and other areas of medicine continue, amazing technologies for diagnosing, treating, and even curing diseases are emerging....

Briefs: Information Technology

Virtually every design decision, from a simple sketch to complex system drawings, is informed by calculations. Yet, in the race to get projects completed and products...

Briefs: Manufacturing & Prototyping

Now more than ever, technological advancements drive the product design process.Increasingly powerful CAD programs allow more complex product designs, which in turn drive...

Briefs: Information Technology

Product development is becoming increasingly global and as a result, new challenges have emerged, such as coordinating geographically dispersed teams of...

Briefs: Mechanical & Fluid Systems
Double-Acting, Locking Carabiners

A proposed design for carabiners (tether hooks used in mountaineering, rock climbing, and rescue) is intended to make it possible to operate these devices even while wearing thick gloves. According to the proposal, the gate of a carabiner would be capable of swinging either toward or away from the hook body,...

Briefs: Robotics, Automation & Control

A proposed design for an electromagnetic brake would increase the reliability while reducing the number of parts and the weight, relative to a prior commercially available electromagnetic brake. The reductions...

Briefs: Photonics/Optics

Focal-plane arrays of quantum-well infrared photodetectors (QWIPs) equipped with both light-coupling diffraction gratings and metal side reflectors have been proposed, and prototypes are...

Briefs: Motion Control
Small-Stroke, High-Frequency Reciprocating Pump

A proposed reciprocating pump would operate at a small stroke and would contain no sliding parts. The oscillatory motion of a piston in the pump could be provided by a magnetostrictive actuator, for example.

Briefs: Electronics & Computers

Wiring is a major deliverable in just about all electromechanical equipment. From airplanes to semiconductor capital equipment, the key component tying together all of the technological innovations...

Briefs: Materials
Magnetostrictive Filter-Wheel Drive

The figure shows a prototype of a magnetostrictively actuated mechanism that would rotate an optical filter wheel for a high-performance infrared camera or telescope. Typically, a high-performance infrared instrument and its filter wheel are operated inside a cryogenic system. In conventional practice, the...

Briefs: Electronics & Computers

Several microwave-cavity devices at various stages of development are designed for heating material samples or process streams with uniform temperature-versus-time histories. These devices...

Briefs: Motion Control

Harmonic drive gearing is recognized by designers for its zero backlash, high gear ratios, and compact design features. A recent development by HD Systems incorporates a large hollow shaft...

Briefs: Information Technology
Knowledge-Based Reasoning Tool for Diagnosing a Complex Flow System

This program is designed as a real-time aid to analyze system health.

The Propulsion Advisory Tool (PAT) is a knowledge-based computer program that monitors real-time data from more than 300 sensors in the space shuttle Main Propulsion System (MPS). The thermal conditions...